[FFmpeg-user] capture from camera (macOS) and pass video to ffplay

[Peter Gusev]

this actually helped! thanks a lot!

On Wed, 12 Sep 2018 at 09:37, Kieran O Leary <kieran.o.leary at gmail.com>
wrote:

> Hi
>
> On Wed, 12 Sep 2018, 17:09 Peter Gusev, <gpeetonn at gmail.com> wrote:
>
> > Hi! well I'm sure the ones I tried are incorrect as I'm not familiar with
> > ffmpeg much. But here's one of them:
> >
> > ffmpeg -f avfoundation -framerate 30 -i "0" -f rawvideo -pix_fmt argb - |
> > ffplay -f rawvideo -s1280x720 -pix_fmt argb -i -
> >
>
> Put a space between -s and 1280x720
>
> ffmpeg version 3.4ffplay version 3.4 Copyright © 2000-2017 the FFmpeg
> > developers Copyright © 2003-2017 the FFmpeg developers
> >
> >   built with Apple LLVM version 9.0.0 (clang-900.0.38)
> >   built with Apple LLVM version 9.0.0 (clang-900.0.38)
> >   configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4 --enable-shared
> > --enable-pthreads --enable-version3 --enable-hardcoded-tables
> > --enable-avresample --cc=clang --host-cflags= --host-ldflags=
> --enable-gpl
> > --enable-ffplay --enable-libmp3lame --enable-libx264 --enable-libxvid
> > --enable-opencl --enable-videotoolbox --disable-lzma
> >   configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4 --enable-shared
> > --enable-pthreads --enable-version3 --enable-hardcoded-tables
> > --enable-avresample --cc=clang --host-cflags= --host-ldflags=
> --enable-gpl
> > --enable-ffplay --enable-libmp3lame --enable-libx264 --enable-libxvid
> > --enable-opencl --enable-videotoolbox --disable-lzma
> >   libavutil      55. 78.100 / 55. 78.100
> >   libavutil      55. 78.100 / 55. 78.100
> >   libavcodec     57.107.100 / 57.107.100
> >   libavcodec     57.107.100 / 57.107.100
> >   libavformat    57. 83.100 / 57. 83.100
> >   libavformat    57. 83.100 / 57. 83.100
> >   libavdevice    57. 10.100 / 57. 10.100
> >   libavdevice    57. 10.100 / 57. 10.100
> >   libavfilter     6.107.100 /  6.107.100
> >   libavfilter     6.107.100 /  6.107.100
> >   libavresample   3.  7.  0 /  3.  7.  0
> >   libavresample   3.  7.  0 /  3.  7.  0
> >   libswscale      4.  8.100 /  4.  8.100
> >   libswscale      4.  8.100 /  4.  8.100
> >   libswresample   2.  9.100 /  2.  9.100
> >   libswresample   2.  9.100 /  2.  9.100
> >   libpostproc    54.  7.100 / 54.  7.100
> >   libpostproc    54.  7.100 / 54.  7.100
> > Failed to set value '-pix_fmt' for option 's1280x720': Option not found
> >
>
> The lack of a space is causing this error.
>
> Best,
>
> Kieran
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-- 
Peter Gusev <https://www.linkedin.com/in/peter-gusev-8135441a/>
*gpeetonn at gmail.com <gpeetonn at gmail.com>*


*+1 213 587-27-48*


*Research Scholar @ REMAP UCLA <http://www.remap.ucla.edu/home/about>Video
streaming/ICN networks/Creative Coding/Interactive Media*
*dj peetonn <https://soundcloud.com/peter-gusev>*